Spravochniki | Zheleznodorozhnye

These focus on engineering and infrastructure, covering topics such as: Railway track design and survey.

Often titled "Putevoditel" (e.g., Zheleznodorozhny Putevoditel' Moskva-Krym ), these directories provide route information, station lists, and travel schedules for passengers. zheleznodorozhnye spravochniki

Sites like ResearchGate and Scribd host translated and digitized versions of historical technical dictionaries and bibliographies. These focus on engineering and infrastructure